[DevTools] Use device metrics emulation implemented in content.

public/web/WebViewClient.h

Index: public/web/WebViewClient.h
===================================================================
--- public/web/WebViewClient.h	(revision 157211)
+++ public/web/WebViewClient.h	(working copy)
@@ -152,6 +152,11 @@
     // Called by WebHelperPlugin to provide the WebFrameClient interface for the WebFrame.
     virtual void initializeHelperPluginWebFrame(WebHelperPlugin*) { }
 
+    // Called to emulate device. Window should occupy the whole device screen,

[pfeldman, 2013/09/19 12:46:05]

// Called to emulate device dimensions and scale factor. Window should ... Also
explain what fitToView means.

[dgozman, 2013/09/19 13:59:38]

Done.

+    // while the view should be located at |viewRect|.
+    virtual void emulateDevice(
+        bool enabled, const WebSize& deviceSize, const WebRect& viewRect,

[apavlov, 2013/09/19 12:47:57]

perhaps, deviceSize -> screenSize?

[dgozman, 2013/09/19 13:59:38]

Done.

+        float deviceScaleFactor, bool fitToView) { }
 
     // Navigational --------------------------------------------------------